Patent Number: 6,252,037

Title: Polyether polyol and a method for the manufacture of mouldable polyester containing said polyether polyol

Abstract: Polyether polyol having the following chemical formula (1): HO--(AO).sub.m ZO--(BO).sub.n --H, which is suitable for the manufacture of polyester, polyurethane elastomer and polyurethane paint showing an excellent hydrolysis resistance is disclosed. In this formula, Z is a dimer diol residue; A and B are the same or different alkylene groups having 2-4 carbon atoms; and m and n are the same or different integers of 0 or more where 2.ltoreq.(m+n).ltoreq.40. Also disclosed is a method for the manufacture of mouldable polyester containing the above-mentioned polyether polyol as one of the constituting units.

Inventors: Kojima; Shirou (Tokyo, JP), Mochizuki; Katsunobu (Tokyo, JP)

Assignee: Unichema Chemie B.V.

International Classification: C08G 63/672 (20060101); C08G 63/00 (20060101); C08G 65/00 (20060101); C08G 65/26 (20060101); C08G 18/00 (20060101); C08G 18/48 (20060101); C08G 063/66 ()

Expiration Date: 06/26/2018